loadLib

Syntax

int loadLib(char *dllName)

Arguments

dllName
The name of the DLL to load.

Return

Returns a handle to the DLL, or 0 if the DLL could not be loaded.

Description

Loads a DLL into memory, allowing you to call the functions contained in that DLL.

Example

// This code loads the user32.dll DLL included with Windows and
// uses it to display a YES/NO Message Box.

int lib_user32, functionPointer, returnval;
lib_user32 = loadLib("user32");
if (!lib_user32) msgBox(MB_OK, "Error", "DLL was not loaded");
functionPointer = getLibFn(lib_user32, "MessageBoxA");
if (!functionPointer) msgBox(MB_OK, "Error", "Function wasn't loaded");
strcpy(str0, "The window text is here");
strcpy(str1, "Caption Text");
returnval = callLib(functionPointer, NULL, str0, str1, MB_YESNO);
if (returnval == IDYES) msgBox(MB_OK, "Yes!", "Yes was clicked");
if (returnval == IDNO) msgBox(MB_OK, "No :(", "No was clicked");
freeLib(lib_user32);

Also see

callLib, getLibFn, freeLib

Comments

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