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  1. LiquidBinary

    persistent graphics

    Try returning 0 after WM_PAINT executes... LRESULT CALLBACK WndProc( HWND hWnd, UINT uMessage,WPARAM wParam,LPARAM lParam ) { PAINTSTRUCT ps; HDC hdc; switch( uMessage ) { case WM_PAINT: hdc=BeginPaint(hWnd,&ps); if ( bCopiaJanela )PintaCopiaJanela( hdc...
  2. LiquidBinary

    persistent graphics

    What do you mean by the window already exists? I take it that you did not create the window that you are painting to? The problem resides in the fact that the window only knows how to re-paint it's controls, background color etc...it has no idea what you want to re-paint...be it a bitmap or just...
  3. LiquidBinary

    Fetching IP address

    #define WIN32_LEAN_AND_MEAN #include <windows.h> #include <iostream> #include <winsock2.h> #pragma comment( lib,&quot;wsock32.lib&quot; ) int GetIPAddress( LPCSTR lpHostName,LPSTR lpszIPAddress ); int GetLocalHostName( LPSTR lpszHostName ); int WinSock32CleanUp(); int WinSock32StartUp(); int...
  4. LiquidBinary

    What does build mean?

    When you compile a source file, you are merely creating an object file from the source...when you &quot;build&quot; your project, you are compiling all source files and linking them together to generate a binary. Mike L.G. mlg400@linuxmail.org
  5. LiquidBinary

    How can i find out the length of an array?

    If you are using an array of char's, sizeof() works just fine since it returns the # of bytes: char array[25]; std::cout << sizeof( array ) << std::endl; Mike L.G. mlg400@linuxmail.org
  6. LiquidBinary

    passing an integer variable from one C++ program to another

    One way to do this is to pass the # as an argument. Then the called program can convert the string argument into the actual #. //This would be your main program. The program to recieve the argument is named argsPass.exe : #include <iostream> #include <string> #include <cstdlib> int main()...
  7. LiquidBinary

    BST leafcount()?

    You could keep track right from the beginning, and increment a leaf count each time you add on a new node to the binary tree. Or you can recursively transverse each node incrementing a count value to obtain the # of nodes. Mike L.G. mlg400@linuxmail.org
  8. LiquidBinary

    First-time DLL

    Hello: DllMain() is used for any start up code that your .dll might need. You don't even have to define this function, as the compiler will provide a default version for you. Here is the protoype: BOOL WINAPI DllMain( HINSTANCE hInstance, ULONG What...
  9. LiquidBinary

    Displaying dialogs in different shapes

    #define WIN32_LEAN_AND_MEAN #include <windows.h> #define WIN_NAME &quot;CircleGUI&quot; #define WIN_X 220 #define WIN_Y 200 LRESULT CALLBACK WindowProc( HWND, UINT, WPARAM, LPARAM ); int WINAPI WinMain(...
  10. LiquidBinary

    how to create an array of pointers

    Not too sure what you are getting at, but I'll give it another go... #include <stdlib.h> #include <stdio.h> #include <string.h> #define ELEMS 5 #define ELEMS_X 20 int main( void ) { int i; char matrix[ELEMS][ELEMS_X]; char* aOfp[ELEMS]; char* aOfs[ELEMS]={...
  11. LiquidBinary

    how to create an array of pointers

    #include <stdio.h> #define ELEMS 5 int main( void ) { int i; char* aOfs[ELEMS]={ &quot;array&quot;, &quot;of&quot;, &quot;pointers&quot;, &quot;tek&quot...
  12. LiquidBinary

    Check &amp; Change display resolution

    #define WIN32_LEAN_AND_MEAN #include <windows.h> #include <iostream> enum { RES_X=800, RES_Y=600, BPP =16 }; void DisplayVerify( LONG lResult ); int main() { DEVMODE dMode; LONG lResult; int x,y; x=GetSystemMetrics( SM_CXSCREEN...
  13. LiquidBinary

    I get these 2 errors when I try to include winuser.h

    Soas: You only need to #include <windows.h> Mike L.G. mlg400@linuxmail.org
  14. LiquidBinary

    double structures

    #include <iostream> #define MAX_ELEMS 10 struct SNumeric { long lNums[MAX_ELEMS]; }; struct SString { char cCar[MAX_ELEMS]; }; void outPut( const SNumeric&,int ); void outPut( const SString&,int ); int main() { SNumeric sn; SString ss; memset(...
  15. LiquidBinary

    Delete all subfolders and files of a given folder

    #define WIN32_LEAN_AND_MEAN #include <windows.h> #include <shellapi.h> #include <iostream> int DeleteFolderStruct( LPSTR lpzRoot ) { SHFILEOPSTRUCT shellOp; shellOp.hwnd =NULL; shellOp.wFunc =FO_DELETE; shellOp.pFrom =lpzRoot; shellOp.pTo =NULL...
  16. LiquidBinary

    Halt until ShellExecuted app is done?

    #include <windows.h> #include <stdio.h> BOOL ShellExeWait( LPSHELLEXECUTEINFO shellProg, char* sPath ) { shellProg->cbSize=sizeof( SHELLEXECUTEINFO ); shellProg->fMask =SEE_MASK_NOCLOSEPROCESS; shellProg->lpVerb=&quot;open&quot...
  17. LiquidBinary

    BROWSE FOR FOLDER

    #define WIN32_LEAN_AND_MEAN #include <windows.h> #include <shlobj.h> #include <iostream> BOOL GetDirectory( HWND hWnd,LPSTR lpzTitle,LPSTR lpzConfirm, LPSTR lpzHoldDir,BOOL bConfirm ); int main() { char sHoldDir[_MAX_PATH]; std::cout << &quot;Choose a...
  18. LiquidBinary

    User Input check

    #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> int verifyInt( char* s ) { char c; int i; i=0; if( s[0]=='0' && s[1]=='\0' ) return( 1 ); if( s[0]=='0' && s[1]!='\0' ) return( 0 ); while( 1 )...
  19. LiquidBinary

    enum problem

    Basically, switch( c ) is just a simple switch statement that drops down to whatever char ( or the default case ) &quot;c&quot; is storing at the time convert() is called. You can clarify that statement by substituting the switch for an if/else if -> if( c=='a' ) return a; else if( c=='b'...
  20. LiquidBinary

    enum problem

    #include <iostream> enum specialChars { a=109, b=108, INVALID=-1 }; specialChars convert( char c ) { specialChars temp; switch( c ) { case 'a': return a; case 'b': return b; default : break...

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