DisplayInformation.DpiChanged 事件

定義

命名空間:

Windows.Graphics.Display

發生于 LogicalDpi 屬性變更時，因為每英吋圖元 () 顯示變更。

// 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) 

事件類型

TypedEventHandler<DisplayInformation,Object>

TypedEventHandler<DisplayInformation,IInspectable>