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how to draw transparent rectangle in MFC
I have tried using following code but it does not work.
int nPrevMode = pDC->SetBkMode(TRANSPARENT);
COLORREF bkcolor = pDC->SetBkColor(BLACK);
pDC->Rectangle(rect1.left, rect1.top, rect1.right, rect1.bottom);
thanks
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Use CDC::FrameRect[^] or use CDC::Rectangle[^] with a NULL_BRUSH[^].
> The problem with computers is that they do what you tell them to do and not what you want them to do. <
> Life: great graphics, but the gameplay sux. <
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saksp wrote: does not work.
Define what you expected to happen and what actually happened. I suspect your expectation doesn't match what the documentation promises.
The documentation of SetBkMode says this:
The background mix mode is used with text, hatched brushes, and pen styles that are not solid lines.
Are you using any of those three?
Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p
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do you mean you need a frame not filled with any clour?
if so,framerect may help you.
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Hello,
I am currently trying to run a vbs-Script the same way I'd run an exe from within my MFC app, so I pass the call to my "test.vbs" to CreateProcess, which unfortunately fails (GetLastError returns code 193). What is a safe way to execute a VBS-Script? If I doubleclick the vbs file in Windows explorer, everything works fine.
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You can use ShellExecute to run the vbs file.
ShellExecute(0, "open", "test.vbs", ...
«_Superman_»
I love work. It gives me something to do between weekends.
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Mr Superman's answer is probably what you want, but if you want or need more control over how your VBScript runs than opening it with ShellExecute (for example, should it have a console window or not?), you could construct a command line to execute it like, using cscript or wscript as the executable and pass your vbs file as a parameter.
For example:
wscript a.vbs would run the VB script without a console window.
cscript a.vbs //X would run the VB script with a console window and attached to a debugger (if there is one).
Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p
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Stuart Dootson wrote: Mr Superman
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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Thanks to both of you, both solutions work well, I am still deciding which one to chose finally 
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hi everyone
I want load a jpg and a png,then add png to jpg，at last it will output a jpg.
what can i do?
Thanks in advanced
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it means a png insert to a jpg, 2 images will output 1 image
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wenbingao wrote: add png to jpg
For what definition of 'add'?
Splitting the task into components:
- Load jpg or png - CImage[^] will do that
- Adding the two images? As I said, depends what you mean by add
- Save the resulting bitmap as a jpg - again, CImage will do that
Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p
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the image I want is made up of a jpg and a png,so "add" means two images become one,jpg is background img,png is the foreground.
what can I do for synthesis two image?
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You probably want to AlphaBlend[^] the png onto the jpg. You'll need to work out how transparency is indicated in the png file.
Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p
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thank you for your reply.I'll research it
thanks again
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what's d meaning of these following error messages..
how do i overcome these error??
1>------ Build started: Project: SQLite, Configuration: Debug Win32 ------
1>Compiling...
1>SQLite.cpp
1>Linking...
1>SQLite.obj : error LNK2019: unresolved external symbol _sqlite3_free referenced in function _main
1>SQLite.obj : error LNK2019: unresolved external symbol _sqlite3_exec referenced in function _main
1>SQLite.obj : error LNK2019: unresolved external symbol _sqlite3_close referenced in function _main
1>SQLite.obj : error LNK2019: unresolved external symbol _sqlite3_errmsg referenced in function _main
1>SQLite.obj : error LNK2019: unresolved external symbol _sqlite3_open referenced in function _main
1>C:\Users\Vani\Documents\Visual Studio 2005\Projects\SQLite\Debug\SQLite.exe : fatal error LNK1120: 5 unresolved externals
1>Build log was saved at "file://c:\Users\Vani\Documents\Visual Studio 2005\Projects\SQLite\SQLite\Debug\BuildLog.htm"
1>SQLite - 6 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
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You probably forgot to link to the correct library (the sqllite library). Have you done that in your project settings ?
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hi.. i've already added the required sqlite3.h header file yet the error messages are not resolved. Can you please help me on that. This is my coding:
// SQLITE1.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <stdio.h>
#include "sqlite3.h"
static int callback(void *NotUsed, int argc, char **argv, char **azColName){
int i;
for(i=0; i<argc; i++){
printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
}
printf("\n");
return 0;
}
int main(int argc, char **argv){
sqlite3 *db;
char *zErrMsg = 0;
int rc;
if( argc!=3 ){
fprintf(stderr, "Usage: %s DATABASE SQL-STATEMENT\n", argv[0]);
}
rc = sqlite3_open(argv[1], &db);
if( rc ){
fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
sqlite3_close(db);
}
rc = sqlite3_exec(db, argv[2], callback, 0, &zErrMsg);
if( rc!=SQLITE_OK ){
fprintf(stderr, "SQL error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
}
sqlite3_close(db);
return 0;
}
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vanishaa wrote: hi.. i've already added the required sqlite3.h header file yet the error messages are not resolved.
A .h file is not a library file, it's a header file. You need to have a *.lib file to be added in your project settings: in the linker category, you need to add the name of the lib file in "Additional Dependencies" or something like that (I don't have VS installed on my PC here so I can't give you the exact location, but search a bit and you'll find it).
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I'm using visual c++ for the project and already added the sqlite3.dll file. The same error occurs again. I have no idea where it went wrong..
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I'm talking about a .LIB file, not a dll file. Did you add this lib file in your project settings (3rd time I'm asking) ?
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Hi all ,
is there any function that converts this string str = "23/02/09 14:44:13" to julian date format in C or C++ .
thanks in advance .
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Vijjuuuuuuuuu........... wrote: is there any function that converts this string str = "23/02/09 14:44:13" to julian date format in C or C++ .
Yes (and it possibly returns 09034 for your input).
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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