IApplicationDesignModeSettings::SetScaleFactor method (shobjidl_core.h)
Sets a spoofed device scale factor to be used for a Windows Store app running in design mode.
You must call IInitializeWithWindow::Initialize to set a proxy core window before calling this method. For a code example, see Display WinRT UI objects that depend on CoreWindow.
SetScaleFactor must be called before calling ComputeApplicationSize.
Syntax
HRESULT SetScaleFactor(
[in] DEVICE_SCALE_FACTOR scaleFactor
);
Parameters
[in] scaleFactor
One of the DEVICE_SCALE_FACTOR enumeration values that indicates the device scale factor to spoof.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code, including the following:
| Return code | Description |
|---|---|
|
IInitializeWithWindow::Initialize has not been called to set a proxy core window. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 [desktop apps only] |
| Minimum supported server | Windows Server 2012 [desktop apps only] |
| Target Platform | Windows |
| Header | shobjidl_core.h (include Shobjidl.h) |
| DLL | Twinapi.dll |