CreateControl

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IPBX_VisualObject interface:

CreateControl method

Description

Creates a window control and returns its handle to the PowerBuilder VM.

Syntax

CreateControl(DWORD dwExStyle, LPCTSTR lpWindowName, DWORD dwStyle,   int x,  int y, int nWidth,  int nHeight,  HWND hWndParent,   HINSTANCE hInstance)

Argument	Description
dwExStyle	The extended window style
lpWindowName	The window name
dwStyle	The window style
x	The horizontal position of the window
y	The vertical position of the window
nWidth	The window's width
nHeight	The window's height
hWndParent	The handle of the parent or owner window
hInstance	The handle of the application instance

Return Values

HWND.

Examples

This is part of a visual extension example:

LPCTSTR CVisualExt::GetWindowClassName()
{
   return s_className;
}
 
HWND CVisualExt::CreateControl
(
   DWORD dwExStyle,      // extended window style
   LPCTSTR lpWindowName, // window name
   DWORD dwStyle,   // window style
   int x,           // horizontal position of window
   int y,           // vertical position of window
   int nWidth,      // window width
   int nHeight,     // window height
   HWND hWndParent, // handle to parent or owner window
   HINSTANCE hInstance   // handle to application instance
)
{
   d_hwnd = CreateWindowEx(dwExStyle, s_className,
      lpWindowName, dwStyle, x, y, nWidth, nHeight,
      hWndParent, NULL, hInstance, NULL);
 
   ::SetWindowLong(d_hwnd, GWL_USERDATA, (LONG)this);
 
   return d_hwnd;
}

Usage

The window must be registered before you call CreateControl.