EnableWindow.md

Home

Function name : EnableWindow

Group: Keyboard Input - Library: user32

---

Enables or disables mouse and keyboard input to the specified window or control.

---

Code examples:

Locking mouse and keyboard input for the VFP application

Declaration:

BOOL EnableWindow(
  HWND hWnd,     // handle to window
  BOOL bEnable   // enable or disable input
);  

---

FoxPro declaration:

DECLARE INTEGER EnableWindow IN user32;
	INTEGER hwnd,;
	INTEGER fEnable  

---

Parameters:

hWnd [in] Handle to the window to be enabled or disabled.

bEnable [in] Specifies whether to enable or disable the window. If this parameter is TRUE, the window is enabled. If the parameter is FALSE, the window is disabled.

---

Return value:

If the window was previously disabled, the return value is nonzero.

---

Comments:

A window must be enabled before it can be activated. That is why VFP application can not be accessed through the Task Manager, when disabled with this function.

Only a few windowed controls in VFP expose HWND property. They can be disabled or enabled by calling this function.

---