DpiAwareControl Class
A Control that listens for changes in DPI of per-monitor DPI aware applications to enable DPI awareness in versions of .NET Framework where it is not natively supported.
public class DpiAwareControl : Control, IDpiAwareElement- Inheritance:
- Object Object
- Derived:
- StandardColorPicker NavigableSymbolSelector IntelliPromptParameterInfo IntelliPromptQuickInfo
- Implements:
- IDpiAwareElement
Remarks
For internal use only.
Constructors
DpiAwareControl()
Initializes a new instance of the DpiAwareControl class.
public DpiAwareControl()Properties
DpiScaleFactor
Gets the current DPI-based scale factor to be applied when rendering the element, where Width is applied to the x-axis, and Height is applied to the y-axis.
public SizeF DpiScaleFactor { get; }Property Value
See Also
Methods
DpiScaleChanged(SizeF)
Called when the DPI-based scale factor of the element changes.
protected virtual void DpiScaleChanged(SizeF scaleFactor)| Parameter | Type | Description |
|---|---|---|
| scaleFactor | SizeF | The new scale factor where Width is applied to the x-axis, and Height is applied to the y-axis. |
See Also
OnDpiChangedAfterParent(EventArgs)
Raises the DpiChangedAfterParent event.
protected virtual void OnDpiChangedAfterParent(EventArgs e)| Parameter | Type | Description |
|---|---|---|
| e | EventArgs | The event data. |
OnDpiChangedBeforeParent(EventArgs)
Raises the DpiChangedBeforeParent event.
protected virtual void OnDpiChangedBeforeParent(EventArgs e)| Parameter | Type | Description |
|---|---|---|
| e | EventArgs | The event data. |
OnHandleCreated(EventArgs)
Raises the HandleCreated event.
protected override void OnHandleCreated(EventArgs e)| Parameter | Type | Description |
|---|---|---|
| e | EventArgs | An EventArgs that contains the event data. |
RescaleConstantsForDpi(Int32, Int32)
Allows constants and other DPI-centric values to be scaled after a DPI change occurs.
protected virtual void RescaleConstantsForDpi(int deviceDpiOld, int deviceDpiNew)| Parameter | Type | Description |
|---|---|---|
| deviceDpiOld | Int32 | The device DPI before the change. |
| deviceDpiNew | Int32 | The device DPI after the change. |
WndProc(ref Message)
Occurs when a message is sent to the control.
protected override void WndProc(ref Message m)| Parameter | Type | Description |
|---|---|---|
| m | Message | Information about the message. |
Events
DpiChangedAfterParent
Occurs when the DPI setting for a control is changed programmatically after the DPI of its parent control or form has changed.
DpiChangedBeforeParent
Occurs when the DPI setting for a control is changed programmatically before a DPI change event for its parent control or form has occurred.
Explicit Interface Implementations
IDpiAwareElement.DpiScaleChanged(SizeF)
Called when the DPI-based scale factor of the element changes.