通过

DisplayInformation.DpiChanged 事件

  • 参考

定义

命名空间:
Windows.Graphics.Display
编辑

当 LogicalDpi 属性更改时发生，因为每英寸像素 (PPI) 显示更改。

// Register
event_token DpiChanged(TypedEventHandler<DisplayInformation, IInspectable const&> const& handler) const;

// Revoke with event_token
void DpiChanged(event_token const* cookie) const;

// Revoke with event_revoker
DisplayInformation::DpiChanged_revoker DpiChanged(auto_revoke_t, TypedEventHandler<DisplayInformation, IInspectable const&> const& handler) const;
public event TypedEventHandler<DisplayInformation,object> DpiChanged;
function onDpiChanged(eventArgs) { /* Your code */ }
displayInformation.addEventListener("dpichanged", onDpiChanged);
displayInformation.removeEventListener("dpichanged", onDpiChanged);
- or -
displayInformation.ondpichanged = onDpiChanged;
Public Custom Event DpiChanged As TypedEventHandler(Of DisplayInformation, Object)

事件类型

TypedEventHandler<DisplayInformation,Object>

TypedEventHandler<DisplayInformation,IInspectable>

适用于