XtraGrid的漢化:VB.NET:Imports DevExpress.Xtragrid.LocalizationPublic Class XtraGrid_CN Inherits GridLocalizer 'public override string GetLocalizedString(GridStringId id) Public Overrides Getlocalizedstring(ByVal id As GridStringId) As String
.Net預設的msgbox顯示位置只能是螢幕中間,字型為宋體,許多情況下我們需要msgbox顯示在指定的位置,而且能夠控制msgbox的字型等我封裝了一個可以設定顯示位置和字型的訊息框,用APi來實現的,其參數和msgbox一樣用法是: Dim pm As New MyMsgBox pm.Location = 你的位置 ''設定位置 pm.MsgFont = 你的字型 ''設定字型 pm.Show("文本",
協助中有如此論述,指出recycling參數的主要性:The Recycling parameter controls feature object allocation behavior. Recycling cursors rehydrate a single feature object on each fetch and can be used to optimize read-only access, for example, when drawing. It is illegal
查看IfeatureLayer的Search方法的協助,如下:If there is a definition query set on the layer, the Search method will work on the subset of features in the layer that meet the definition criteria. Otherwise, it will search the FeatureClass associated with the
Prism、CM和Jounce裡都有各自的事件通訊機制,也都叫EventAggregator。相比於Prism,Jounce裡的EventAggregator的風格更接近CM。當然作者也是這麼說的:The pattern here is based on the lightweight version Rob Eisenburg introduced with Caliburn Micro。這裡涉及的類主要有三個:兩個介面類IEventAggregator和IEventSink<in T&
XtraEditors的漢化,VB.NETImports DevExpress.XtraEditors.Controls.LocalizerImports DevExpress.XtraEditors.ViewInfoImports DevExpress.XtraEditors.ControlsPublic Class XtraImagesEdit_CN Inherits DevExpress.XtraEditors.Controls.Localizer Public
將檔案以二進位流的形式儲存到資料庫中,如果檔案較大,就必須分塊處理,否則速度非常的慢。ADO.Net把ADO中的AppendChunk和GetChunk功能給去掉了,因此要將檔案分塊上傳到資料庫中或從資料庫中分塊下載檔案就要只能用ADO,不能用ADO.Net(至少目前我的研究範圍內如此)下面是分塊上傳和下載的核心代碼Dim fs As New System.IO.FileStream(m_FilePath, IO.FileMode.Open, IO.FileAccess.Read)Dim rs
(VB.Net源碼)由於Scenecontrol中沒有響應滾輪滑動的事件,所以首先得寫一個滾輪滑動事件AxSceneControl1_Wheel然後,在Load時,添加滑鼠滾輪滑動控制代碼AddHandler Me.MouseWheel, AddressOf AxSceneControl1_Wheel這樣就將滑鼠滾輪滑動與AxSceneControl1_Wheel掛接起來了然後在AxSceneControl1_Wheel中寫入動作陳述式 Try Dim pSceLoc As